Answer: g(x) at (70, 55)
Step-by-step explanation:
The minimum of g(x) is lower than f(x) which is (20, 340) and thats obviously higher than (70, 55) so :)
In this question,We have to group the given expression to get 5 as the final answer .

Here we put 5 +20 in parenthesis, that is

And we do the required operations, that is

And we get 5.